Improvement in cultivators



i UivrTan STATES PATENT OFFICE.

JAMES DUNDAS, OF LITTLE ROCK, ILLINOIS.

IMPROVEMENT IN CULTIVATORS.

Specification forming part of Letters Patent No. 22,859, dated February8, 1859'.

To all whom t't may concern..-

Be it known that I, JAMES Donnas, of Little Rock, in the county ofKendall and State of Illinois, have invented a new and useful Machinefor Cultivating Corn, called The Dundas Gorn-Cultivator,77 of which thefollowing is a full and exact description.

The nature of my invention consists in arranging a number of plow-shapedshovels to a proper frame, suspended to a single axle, which issustained by apair'ofcommon wagonwheels, having a tongue attached forthe purpose of harnessing thereto a pair of horses or other animals usedfor similar purposes; also, by a peculiar arrangement ofthe shovels, theearth is thrown from the young cornplants, and the same shovels arereadily arranged to throw the earth toward the plant as may be required;also, by detaehing a siugle catch the plows or shovels rise above thesurface of the ground, so that the machine may be driven about the fieldor on the road from place to placeas may be desired.

To enable others skilled in the art tomake and use my invention, I willproceed to describe its construction and operation, reference being hadthe accompanying drawings, where- Figure l represents a perspective viewof the machine; Fig. 2, a longitudinal section of the same. No. 1represents the movable shovels arranged to throw the earth toward theplants 5 No. 2,the same arranged to throw the earth from the plants. No.8 represents a front view ot" the stationary side shovels.

Let a areprescnt two ordinary wagon-wheels; b, an axle resting in thehubs of the wheels a a.

c c are two pieces of timber passing through the axle. The forward endof the pieces c o are connected by the bar d by means of the bolts ee.The beams o c pass outward back ofthe axle b, forming supports for theplatformf. I then .place a seat for the driver on the platform fandsecureit to the same. The seat is represented at g. I then pass twoinclined bars through mortises cut inthe beams c c. These bars are shownat 7L h, being connected at the upper end by the cross-bar i, which hasa slant for one of the bars Vh, as shown in Fig. 1, the bar h beingsecured'at of the tongue m.

any point in the slant by inserting the pin j. The hars h h aresupported on the iron rod 7c r, passing through the timbers oo, alsothrough V the hounds l Z and the tongue m.

n n represent two connecting bars or braces attached to the head of thebolts e and by means of eyebolts to the lower end of the bars h h. Ialso bolt to the side of the beam o c two other inclined bars, as shownato o, and brace them by means ofiron rods, as shown at l). Y

gj represents a crossbar resting on the upper side of beam o c andworking on a pivot at r. The opposite end is made to slide under theiron staple s. I then insert a spring between. the bar q and axle b, asshown at t. This spring presses the bar q against the end I then attacha short piece of chain, as shown at l l, one end of which is fixed tothe eross-bar d and the other end Ato the tongue m.

o o represent the. ordinary cultivator-shovels attached to the bars o o.

zo 1o represent two half-shovels attached to the lower ends of the barsh h.

The operation ofthis machine is as follows: First, the tongue m ismovable on the rod la 7c. Consequently the bar d rests upon the upperside ot' the tongue. Then, the bar q being pressed against the end ot'the tongue, the beams o c are retained in the same plane with thetongue. .In this position the machine is in readiness to cultivate thecorn. When it is desired to withdraw the shovelsand elevate them abovethe surface of the ground the driver places one of his feet against thebar Vq, and, drawin git slightly backward, releases the end ot'- thetongue, and the weight of the driver causes the platform lto descend,tilting the front part of the frame upward in the position as shown atFig. 2. The chain u prevents'the machine from too great an elevation,and the bar q, being released, `is pressed forward under the end ofthetongue m, which iixes the machine in the position as shown at Fig. 2. Anoscillating or side motion can be given to the shovels fw w by thedriver pressing the bar i either right or left, the-mon tises in thebeams e c being enlarged at the sides to allow the bars h h to playsildewise, as shown by the dotted lines on No.1, bringingthe pointsofthe shovels at x x alternately. By The arrangement of the haltshovelsw w this operation,ittl1e plants are notinastraight in connection Withthe bar h h and t', to be line,the driver can avoid them by moving themoved to the right or left at the pleasure of shovels to the right orleft. the operator.

Observe that the half-shovels can be taken l out and reversed for thepurposes before men- JAMES DUNDAS' tioned in the specification.Witnesses:

What I claim as my invention, and desire JOHN M. VANESDEL, A to secureby Lrtters Patent, is J. MCCLURG.

